:root {
  --bg-primary: #0a0a0d;
  --bg-secondary: #141417;
  --card-bg: rgba(255, 255, 255, 0.03);
  --accent-primary: #e10600;
  --accent-secondary: #ff3b3b;
  --text-primary: #f5f5f5;
  --text-secondary: #9ca3af;
  --border-light: rgba(255, 255, 255, 0.1);
  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 20px rgba(225, 6, 0, 0.3);
  --shadow-hover: 0 15px 40px rgba(0, 0, 0, 0.5);
  --radius: 16px;
  --radius-lg: 20px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --container-padding: clamp(1.5rem, 4vw, 4rem);
  --section-gap: clamp(3.125rem, 8vw, 6.25rem);
  --section-gap-lg: clamp(4rem, 10vw, 8rem);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

html {
  scroll-behavior: smooth;
}

h1, h2, h3, h4 {
  margin: 0 0 1rem;
  font-weight: 800;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2.5rem, 7vw, 5rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
}

p {
  margin: 0 0 1.5rem;
}

ul {
  margin: 0 0 1.5rem;
  padding-left: 1.5rem;
}

li {
  margin-bottom: 0.5rem;
}

a {
  color: var(--text-primary);
  text-decoration: none;
  transition: var(--transition);
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding-block: var(--section-gap);
}

.section-lg {
  padding-block: var(--section-gap-lg);
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 13, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-light);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding-block: 1rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
}

.nav-menu {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 2.5rem;
  flex: 1;
  justify-content: center;
}

.nav-menu a {
  position: relative;
  padding-bottom: 0.5rem;
  font-weight: 500;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

.nav-menu a:hover::after,
.nav-menu a:focus::after {
  transform: scaleX(1);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.hamburger {
  display: none;
  background: none;
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  padding: 0.5rem;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 1.25rem;
}

/* Buttons */
.btn {
  padding: 0.875rem 2rem;
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-cta {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: white;
  box-shadow: 0 4px 15px rgba(225, 6, 0, 0.3);
}

.btn-cta:hover,
.btn-cta:focus {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(225, 6, 0, 0.5);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-light);
}

.btn-secondary:hover {
  background: var(--card-bg);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

/* Hero */
.hero {
  text-align: center;
  padding-top: clamp(5rem, 12vh, 8rem);
  padding-bottom: var(--section-gap);
}

.hero h1 {
  margin-bottom: 1.5rem;
}

.hero .accent {
  color: var(--accent-primary);
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.25rem;
  max-width: 600px;
  margin-inline: auto;
  margin-bottom: 2rem;
  color: var(--text-secondary);
}

.disclaimers {
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  margin: 3rem auto;
  max-width: 700px;
}

.disclaimers strong {
  color: var(--text-primary);
}

/* Game */
.game-container {
  max-width: 1300px;
  width: min(90%, 1300px);
  margin-inline: auto;
  height: clamp(500px, 70vh, 800px);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(225, 6, 0, 0.2);
  transition: var(--transition);
  position: relative;
}

.game-container:hover {
  box-shadow: 0 20px 60px rgba(225, 6, 0, 0.15), var(--shadow-hover);
  transform: translateY(-5px);
}

.game-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* Cards & Grid */
.card {
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-soft);
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }
}

.cards-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
}

/* Forms */
.form-group {
  margin-bottom: 2rem;
}

input,
textarea {
  width: 100%;
  padding: 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 1rem;
  font-family: inherit;
  transition: var(--transition);
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(225, 6, 0, 0.1);
}

textarea {
  min-height: 150px;
  resize: vertical;
}

/* Legal */
.legal-list {
  list-style: none;
  padding: 0;
}

.legal-list li {
  padding: 0.75rem 0;
  padding-left: 2rem;
  position: relative;
  color: var(--text-secondary);
}

.legal-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent-primary);
  font-weight: bold;
}

/* Footer */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-light);
  padding-block: 3rem;
  text-align: center;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  list-style: none;
  padding: 0;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.footer p {
  color: var(--text-secondary);
  margin: 0;
}

/* Animations */
@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.section {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease-out forwards;
}

.section:nth-child(2) { animation-delay: 0.1s; }
.section:nth-child(3) { animation-delay: 0.2s; }
.section:nth-child(4) { animation-delay: 0.3s; }

/* Mobile First Responsive */
@media (max-width: 767px) {
  .hamburger {
    display: block;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 10, 13, 0.95);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    border-top: 1px solid var(--border-light);
  }

  body.menu-open .nav-menu {
    display: flex;
  }

  .nav-actions .btn-cta {
    display: none;
  }

  .nav-container {
    gap: 1rem;
  }

  .hero {
    padding-top: clamp(4rem, 15vh, 6rem);
  }

  .disclaimers {
    padding: 1.5rem;
    margin: 2rem auto;
  }

  .card {
    padding: 2rem;
  }
}

@media (min-width: 768px) {
  .nav-actions .hamburger {
    display: none;
  }
}

@media (min-width: 1024px) {
  .nav-menu {
    gap: 3rem;
  }
}

/* Utilities */
.text-center {
  text-align: center;
}

.mb-lg {
  margin-bottom: 3rem;
}